CVE-2014-3523

httpd: WinNT MPM denial of service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.

Fuga de memoria en la función winnt_accept en server/mpm/winnt/child.c en el MPM WinNT en Apache HTTP Server 2.4.x anterior a 2.4.10 en Windows, cuando el AcceptFilter por defecto está habilitado, permite a atacantes remotos causar una denegación de servicio (consumo de memoria) a través de solicitudes manipuladas.

Multiple potential security vulnerabilities have been identified with HP System Management Homepage (SMH) on Linux and Windows. The vulnerabilities could be exploited remotely resulting in Denial of Service (DoS), Cross-site Request Forgery (CSRF), execution of arbitrary code, unauthorized modification, unauthorized access, or disclosure of information. Revision 1 of this advisory.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2014-05-14 CVE Reserved
2014-07-20 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (23)

URL	Tag	Source
http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/child.c	X_refsource_confirm
http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/child.c?r1=1608785&r2=1610652&diff_format=h	X_refsource_confirm
http://www.securityfocus.com/bid/68747	Vdb Entry
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E	Mailing List

URL	Date	SRC

URL	Date	SRC
http://httpd.apache.org/security/vulnerabilities_24.html	2023-11-07

URL	Date	SRC
http://marc.info/?l=bugtraq&m=143748090628601&w=2	2023-11-07
http://marc.info/?l=bugtraq&m=144050155601375&w=2	2023-11-07
http://rhn.redhat.com/errata/RHSA-2016-2957.html	2023-11-07
https://access.redhat.com/security/cve/CVE-2014-3523	2016-12-15
https://bugzilla.redhat.com/show_bug.cgi?id=1121519	2016-12-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.1 Search vendor "Apache" for product "Http Server" and version "2.4.1"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.2 Search vendor "Apache" for product "Http Server" and version "2.4.2"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.3 Search vendor "Apache" for product "Http Server" and version "2.4.3"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.4 Search vendor "Apache" for product "Http Server" and version "2.4.4"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.6 Search vendor "Apache" for product "Http Server" and version "2.4.6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.7 Search vendor "Apache" for product "Http Server" and version "2.4.7"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.8 Search vendor "Apache" for product "Http Server" and version "2.4.8"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Apache Search vendor "Apache"	Http Server Search vendor "Apache" for product "Http Server"	2.4.9 Search vendor "Apache" for product "Http Server" and version "2.4.9"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe